Survey Identifier: 79080801
Format Acronym: MGD77
Data Center File Number: 08010056
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V KANA KEOKI
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SEYMOUR SCHLANGER
Project: LINE ISLANDS,LEG I, KK79080801
Funding: ONR
Survey Departure Date (yyyymmdd): 19790808
Port of Departure: HONOLULU,HAWAII U.S.A.
Survey Arrival Date (yyyymmdd): 19790903
Port of Arrival: PAPEETE, TAHITI
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: 3.5 KHZ., 12 KHZ.
Additional Forms of Bathymetric Data: ANALOG,MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS
Additional Forms of Magnetics Data: ANALOG,MICROFILM
Gravity Instrumentation: LACOSTE-ROMBERG S-33
Additional Forms of Gravity Data: ANALOG,MICROFILM
Formats of Seismic Data: ANALOG,MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: -18
Leftmost Longitude: -163
Rightmost Longitude: -149
General Digitizing Rate of Bathymetry: 44
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 0213
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: CALCULATED FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU, HAWAII U.S.A.
Arrival Base Station Gravity: 0000000
Additional Documentation: 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15 ARRIVAL STILL METER READING 7069.0
Number of Data Records: 30819
Min/Max Data Record:
Date: 1979 08 08
Latitude: -17.54185
Longitude: -162.28873
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 322250
Magnetics Residual Field: -08210
Free-Air Anomaly: -0946
Min/Max Data Record:
Date: 1979 09 03
Latitude: +21.33273
Longitude: -149.56972
Bathymetry, 2- Way Traveltime: 079770
Bathymetry, Corrected Depth: 6035.0
Magnetics Total Field, 1st Sensor: 369910
Magnetics Residual Field: +07180
Free-Air Anomaly: +2027